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							81 lines
						
					
					
						
							2.4 KiB
						
					
					
				| #include "selfdrive/ui/soundd/sound.h"
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| 
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| #include <cmath>
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| 
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| #include <QAudio>
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| #include <QAudioDeviceInfo>
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| #include <QDebug>
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| 
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| #include "cereal/messaging/messaging.h"
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| #include "selfdrive/common/util.h"
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| 
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| // TODO: detect when we can't play sounds
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| // TODO: detect when we can't display the UI
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| 
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| Sound::Sound(QObject *parent) : sm({"carState", "controlsState", "deviceState"}) {
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|   qInfo() << "default audio device: " << QAudioDeviceInfo::defaultOutputDevice().deviceName();
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| 
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|   for (auto &[alert, fn, loops] : sound_list) {
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|     QSoundEffect *s = new QSoundEffect(this);
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|     QObject::connect(s, &QSoundEffect::statusChanged, [=]() {
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|       assert(s->status() != QSoundEffect::Error);
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|     });
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|     s->setVolume(Hardware::MIN_VOLUME);
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|     s->setSource(QUrl::fromLocalFile("../../assets/sounds/" + fn));
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|     sounds[alert] = {s, loops};
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|   }
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| 
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|   QTimer *timer = new QTimer(this);
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|   QObject::connect(timer, &QTimer::timeout, this, &Sound::update);
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|   timer->start(1000 / UI_FREQ);
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| };
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| 
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| void Sound::update() {
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|   const bool started_prev = sm["deviceState"].getDeviceState().getStarted();
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|   sm.update(0);
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| 
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|   const bool started = sm["deviceState"].getDeviceState().getStarted();
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|   if (started && !started_prev) {
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|     started_frame = sm.frame;
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|   }
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| 
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|   // no sounds while offroad
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|   // also no sounds if nothing is alive in case thermald crashes while offroad
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|   const bool crashed = (sm.frame - std::max(sm.rcv_frame("deviceState"), sm.rcv_frame("controlsState"))) > 10*UI_FREQ;
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|   if (!started || crashed) {
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|     setAlert({});
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|     return;
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|   }
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| 
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|   // scale volume with speed
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|   if (sm.updated("carState")) {
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|     float volume = util::map_val(sm["carState"].getCarState().getVEgo(), 11.f, 20.f, 0.f, 1.0f);
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|     volume = QAudio::convertVolume(volume, QAudio::LogarithmicVolumeScale, QAudio::LinearVolumeScale);
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|     volume = util::map_val(volume, 0.f, 1.f, Hardware::MIN_VOLUME, Hardware::MAX_VOLUME);
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|     for (auto &[s, loops] : sounds) {
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|       s->setVolume(std::round(100 * volume) / 100);
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|     }
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|   }
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| 
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|   setAlert(Alert::get(sm, started_frame));
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| }
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| 
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| void Sound::setAlert(const Alert &alert) {
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|   if (!current_alert.equal(alert)) {
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|     current_alert = alert;
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|     // stop sounds
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|     for (auto &[s, loops] : sounds) {
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|       // Only stop repeating sounds
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|       if (s->loopsRemaining() > 1 || s->loopsRemaining() == QSoundEffect::Infinite) {
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|         s->stop();
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|       }
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|     }
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| 
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|     // play sound
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|     if (alert.sound != AudibleAlert::NONE) {
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|       auto &[s, loops] = sounds[alert.sound];
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|       s->setLoopCount(loops);
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|       s->play();
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|     }
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|   }
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| }
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| 
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